Dyfyniad APA

FAO. (1997). FAO agricultural services bulletin; N128: Renewable biological systems for alternative sustainable energy production. Rome: FAO.

Dyfyniad Arddull Chicago

FAO. FAO Agricultural Services Bulletin; N128: Renewable Biological Systems for Alternative Sustainable Energy Production. Rome: FAO, 1997.

Dyfyniad MLA

FAO. FAO Agricultural Services Bulletin; N128: Renewable Biological Systems for Alternative Sustainable Energy Production. Rome: FAO, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.